is widely known as the title of a definitive visual history book by Hugo Wilson, published by Dorling Kindersley (DK) . It serves as a comprehensive encyclopedia that charts the brand's evolution from its 1903 beginnings in a Milwaukee shed through its modern era. The Book: "Ultimate Harley-Davidson" by Hugo Wilson
: The 2025 CVO Road Glide RR is currently cited as the most expensive and powerful production bike the company has ever made, featuring a 131 cubic inch engine and a price tag of $110,000. Ultimate Harley Davidson
While the book provides a historical overview, the term "ultimate" is also used by enthusiasts to describe high-performance or luxury models that represent the peak of the brand's engineering: is widely known as the title of a
: The book features sumptuous photography of over 70 iconic bikes, including detailed "blown-up" views of engines and technical specifications. While the book provides a historical overview, the
: Many riders believe the ultimate Harley is never "stock" but rather a custom-built machine tailored to the individual's style and performance needs.
: For long-distance riders, the Electra Glide Ultra Classic and Road Glide are frequently ranked as the "ultimate" for comfort and long-range stability.